# PTV09A-4020F-A103 (Component) ## Description Rotary Carbon Potentiometer (Audio/Log Taper) – Single-turn rotary potentiometer designed for audio volume control, user interface adjustment, industrial equipment, consumer electronics, musical instruments, and embedded control applications. Features a 10 kΩ logarithmic (audio) taper, ±20% resistance tolerance, and 50 mW (1/20 W) power rating. Part of the Bourns Pro Audio PTV09 Series, it provides 280° mechanical rotation, a 6 mm flatted shaft with 20 mm length, top adjustment, carbon resistive element, and through-hole snap-in mounting with PC pins and board locks for secure PCB installation. The potentiometer has a single gang, no integrated switch, and is suitable for low-power analog signal adjustment in compact electronic designs. #Bourns #PTV09A4020FA103 #PTV09 #RotaryPotentiometer #AudioTaper #LogarithmicPotentiometer #CarbonPotentiometer #VolumeControl #UserInterface #ThroughHole #EmbeddedSystems ## Component Details - **Owner:** silicon-yard - **Created:** 7/27/2026 - **Last Updated:** 7/27/2026 - **Visibility:** Public - **Manufacturer Name:** Bourns - **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/1b28111c1ce99b963c1bc11ff66c6f5520b7da0e547a780bdd1f8193ca988402.pdf - **Manufacturer Part Number:** PTV09A-4020F-A103 - **Part Type:** Potentiometers - **Used in:** 12 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Arrow](https://www.arrow.com/en/products/ptv09a-4020f-a103/bourns.html?utm_currency=USD&region=nac) | N/A | N/A | | [Mouser](https://www.mouser.com/en/ProductDetail/Bourns/PTV09A-4020F-A103?qs=Qzws7J6gxqyEv5PT5UJMDw%3D%3D) | $0.89 | 700 | | [Verical](https://www.verical.com/pd/bourns-trimmers-pots-rheostats-PTV09A-4020F-A103-858302?utm_currency=USD) | N/A | N/A | - **Part Type:** Other - **Manufacturer:** Bourns - **MPN:** PTV09A-4020F-A103 - **Mount Type:** Through Hole - **Pin Count:** 5 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | 1 | | | 2 | 2 | | | 3 | 3 | | | 4 | MH1 | | | 5 | MH2 | | --- *Generated from [https://www.flux.ai/silicon-yard/ptv09a-4020f-a103](https://www.flux.ai/silicon-yard/ptv09a-4020f-a103)*